Wilhelm Schickard built and built the first Operating mechanical calculator in 1623.[17] In 1673, Gottfried Leibniz demonstrated a digital mechanical calculator, known as the Stepped Reckoner.[18] Leibniz could possibly be regarded the initial computer scientist and knowledge theorist, on account of several motives, including the undeniable fact that he documented https://computer-science09395.blogproducer.com/35172958/software-engineering-for-dummies